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The Brushless Doubly-Fed Machine (BDFM), which removes the brush and slip ring, improves security and reliability. The BDFM is proposed to have a bright prospect as an AC drive system or variable-speed constant-frequency power generation system. Vector control is widely studied in the BDFM, but the information of rotor speed and position must be obtained. This paper presents speed sensorless vector...
Decoupled control has been widely used in the DIFG (doubly fed induction generator) which needs the rotor position as well as the rotor speed for the control system. A lot of research has been done in the sensorless control field for the DFIG because of the disadvantages of the speed sensor. Three representative sensorless control strategies are considered in this paper and they are compared in terms...
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